Home / 147,411.20-221,068.20-53,904.80

Finding the Fourth Proportional to 147,411.20, 221,068.20 and 53,904.80

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Solution

The fourth proportional to 147,411.20, 221,068.20 and 53,904.80 is: 80,839.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,411.20 : 221,068.20 = 53,904.80 : x
  2. Step 2: Convert to fraction form
    147,411.20/221,068.20 = 53,904.80/x
  3. Step 3: Cross multiply
    147,411.20x = 221,068.20 × 53,904.80
  4. Step 4: Simplify right side
    147,411.20x = 11,916,637,107.36
  5. Step 5: Solve for x
    x = 11,916,637,107.36/147,411.20
  6. Step 6: Final answer
    x = 80,839.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.